CN110829218A - Outdoor low-voltage power distribution cabinet of anti-riot rain - Google Patents
Outdoor low-voltage power distribution cabinet of anti-riot rain Download PDFInfo
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- CN110829218A CN110829218A CN201911248911.5A CN201911248911A CN110829218A CN 110829218 A CN110829218 A CN 110829218A CN 201911248911 A CN201911248911 A CN 201911248911A CN 110829218 A CN110829218 A CN 110829218A
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- power distribution
- controller
- distribution cabinet
- cabinet body
- detection sensor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012466 permeate Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an outdoor rain-proof low-voltage power distribution cabinet in the technical field of low-voltage power distribution cabinets, and aims to solve the technical problems that a low-voltage power distribution cabinet in the prior art is poor in waterproof effect, and rainwater easily permeates into the low-voltage power distribution cabinet in rainstorm weather, so that circuit elements are damaged. The power distribution cabinet comprises a controller and a cabinet body, wherein a liquid level detection sensor and a drainage device which are respectively and electrically connected with the controller are arranged in the cabinet body, the liquid level detection sensor is arranged at the bottom of the cabinet body, the water inlet end of the drainage device is arranged at the bottom of the cabinet body, and the water outlet end of the drainage device is communicated with the outside of the cabinet body; and the controller controls the drainage device according to the liquid level value in the power distribution cabinet acquired by the liquid level detection sensor.
Description
Technical Field
The invention relates to an outdoor rainstorm-prevention low-voltage power distribution cabinet, and belongs to the technical field of low-voltage power distribution cabinets.
Background
The distribution cabinet is a final-stage device of a distribution system. And the system is responsible for distributing the electric energy of a certain circuit of the upper-level power distribution equipment to the nearby loads. The present level of power distribution equipment provides protection, monitoring and control of the load. The low-voltage power distribution cabinet is one of power distribution cabinets, is used for converting and controlling electric energy of power, illumination and power distribution, and is a common power distribution cabinet for an electric power system. The switch board generally requires to possess dustproof rain-proof ability, still must possess certain ventilation cooling ability. Under raise dust and strong wind condition, the dust can be blown in from the switch board department of opening the door, piles up on the accuse electrical equipment in the switch board, if not in time clear up, can cause the influence to the switch board operation. The current low-voltage distribution cabinet water-proof effects are relatively poor, and especially during rainstorm weather, rainwater often can permeate low-voltage distribution cabinet in, causes circuit component to damage.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an outdoor low-voltage power distribution cabinet for preventing rainstorm, so as to solve the technical problems that the low-voltage power distribution cabinet in the prior art is poor in waterproof effect, and rainwater easily permeates into the low-voltage power distribution cabinet in rainstorm weather to cause damage to circuit elements.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an outdoor rain-proof low-voltage power distribution cabinet comprises a controller and a cabinet body, wherein a liquid level detection sensor and a drainage device which are respectively and electrically connected with the controller are arranged in the cabinet body, the liquid level detection sensor is arranged at the bottom of the cabinet body, the water inlet end of the drainage device is arranged at the bottom of the cabinet body, and the water outlet end of the drainage device is communicated with the outside of the cabinet body;
and the controller controls the drainage device according to the liquid level value in the power distribution cabinet acquired by the liquid level detection sensor.
Furthermore, the drainage device comprises a water pump motor electrically connected with the controller and pipelines communicated with two ends of the water pump motor, wherein a pipeline opening communicated with a water inlet end of the water pump motor is arranged at the bottom of the cabinet body, and a pipeline opening communicated with a water outlet end of the water pump motor is communicated with the outside of the cabinet body.
Furthermore, the opening of the pipeline communicated with the water outlet end of the water pump motor is arranged on the side surface of the cabinet body far away from the bottom surface of the cabinet body.
Furthermore, a solenoid valve electrically connected with the controller is arranged in a pipeline communicated with the water outlet end of the water pump motor;
the controller also controls the electromagnetic valve according to the liquid level value in the power distribution cabinet acquired by the liquid level detection sensor.
Furthermore, a humidity detection sensor electrically connected with the controller is arranged in the cabinet body, a heat dissipation exhaust port and a heat dissipation air inlet are oppositely arranged on the side face of the cabinet body, and a blower fan electrically connected with the controller is arranged in the heat dissipation air inlet;
and the controller controls the blower fan according to the air humidity in the power distribution cabinet acquired by the humidity detection sensor.
Furthermore, a temperature detection sensor electrically connected with the controller is also arranged in the cabinet body, and a heating device electrically connected with the controller is arranged at the air outlet end of the air blowing fan;
and the controller controls the heating device or/and the blower fan according to the air temperature in the power distribution cabinet acquired by the temperature detection sensor.
Furthermore, the controller comprises a control chip, and a signal detection module and a digital quantity output module which are respectively electrically connected with the control chip;
the controller is respectively and electrically connected with the liquid level detection sensor, the humidity detection sensor and the temperature detection sensor through the signal detection module, and is respectively and electrically connected with the drainage device, the air blowing fan and the heating device through the digital quantity output module.
Furthermore, the controller also comprises a control panel electrically connected with the control chip.
Further, still include the cabinet door with cabinet body articulated, the cabinet body is equipped with the closing plate towards cabinet door one side bottom.
Compared with the prior art, the invention has the following beneficial effects: the controller detects and acquires the liquid level value in the power distribution cabinet by using the humidity detection sensor arranged at the bottom in the cabinet body, compares the liquid level value with a preset liquid level value threshold value to judge whether the water accumulation condition exists in the power distribution cabinet or not, and if the water accumulation condition exists through judgment, the controller automatically controls the electromagnetic valve and the water pump motor in the drainage device to act in sequence so as to drain the water accumulation in the power distribution cabinet. The electromagnetic valve is usually used for blocking a communication channel between the water pump motor and the outside, and prevents foreign matters from entering a pipeline and hindering the normal operation of the water pump motor. On this basis, the controller still utilizes temperature to detect sensor and humidity and detects sensor and detect and acquire the interior air temperature value of switch board and air humidity value, compare this temperature value and humidity value with the threshold value parameter of preset temperature value and humidity value respectively, in order to judge whether there is humidity in the switch board, the temperature condition that exceeds standard, if through judging that there is humidity and temperature condition that exceeds standard, controller automatic control blast fan and heating device actuate, in order to maintain the temperature in the switch board, simultaneously with the humid air discharge in the switch board, and blow off the dust of piling up at accuse electrical equipment. The power distribution cabinet has high automation degree, and is favorable for ensuring the normal operation of the electric control equipment in the power distribution cabinet.
Drawings
FIG. 1 is a schematic view of the internal structure of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the drainage device in the embodiment of the present invention;
fig. 3 is a schematic diagram of a connection structure of the controller according to the embodiment of the present invention.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. a controller; 4. a drainage device; 5. a blower fan; 6. a temperature detection sensor; 7. a humidity detection sensor; 8. a liquid level detection sensor; 9. a pipeline; 10. a water pump motor; 11. an electromagnetic valve.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The specific embodiment of the invention provides an anti-rainstorm outdoor low-voltage power distribution cabinet, which is shown in fig. 1 and is a schematic diagram of an internal structure of an embodiment of the invention, the power distribution cabinet comprises a cabinet body 1 and a cabinet door 2 hinged with the cabinet body, a controller 3 is installed on the inner side of the cabinet door 2, a sealing plate is arranged at the bottom of one side, facing the cabinet door 2, of the cabinet body 1, the sealing plate is welded on the cabinet body 1 in a seamless mode, and the sealing plate can play a role in preventing rainwater from penetrating into the power distribution cabinet under general rainfall. A drainage device 4 is arranged in the right side surface of the cabinet body 1; a heat dissipation air inlet is formed in the right side of the cabinet body 1, a heat dissipation air outlet is formed in the left side of the cabinet body, the heat dissipation air inlet and the heat dissipation air outlet are arranged oppositely, an air blowing fan 5 with an air outlet end facing the interior of the cabinet body 1 is arranged in the heat dissipation air inlet, and a heating device is arranged at the air outlet end of the air blowing fan 5; a temperature detection sensor 6 and a humidity detection sensor 7 are installed in the rear side face of the cabinet body 1 and are respectively used for detecting and acquiring an air temperature value and an air humidity value in the power distribution cabinet; a liquid level detection sensor 8 is installed at the bottom in the cabinet body 1 and used for detecting and acquiring the liquid level value in the power distribution cabinet after water enters the power distribution cabinet. The blower fan 5 is provided with a fan motor, the fan motor is arranged on a fan fixing seat through a motor fixing plate, and the fan fixing seat is arranged in a heat dissipation air inlet of the cabinet body 1 through a fixing bolt.
More specifically, as shown in fig. 2, which is a schematic structural diagram of the drainage device in the embodiment of the present invention, the drainage device 4 includes two pipes 9, a water pump motor 10, and an electromagnetic valve 11, where the two pipes 9 are respectively installed at a water inlet end and a water outlet end of the water pump motor 10. An opening of a pipeline 9 arranged at the water inlet end of a water pump motor 10 is arranged at the bottom end inside the cabinet body 1, so that accumulated water in the power distribution cabinet can be drained conveniently; an electromagnetic valve 11 is arranged in the pipeline 9, and the purpose of the electromagnetic valve is to prevent foreign matters from entering the pipeline 9 and hindering the normal operation of a water pump motor 10, so that accumulated water in a power distribution cabinet cannot be smoothly discharged; the electromagnetic valve 11 includes an electromagnetic coil, a valve body and a valve core, the electromagnetic coil is installed on the valve body, and the valve body is installed on the valve core. Install in the 9 openings of pipeline of water pump motor 10 water outlet end and locate cabinet body 1 side and lean on the upper position, prevent that the outer ponding of switch board is too high to pour into in the switch board from this 9 openings of pipeline.
As shown in fig. 3, which is a schematic diagram of a connection structure of the controller in the embodiment of the present invention, the controller 3 includes a control panel, a control chip, a digital quantity output module, and a signal detection module, an input end of the control chip is connected to the signal detection module and the control panel, respectively, and an output end of the control chip is connected to the digital quantity output module. The signal detection module is respectively connected with the signal output ends of the temperature detection sensor 6, the humidity detection sensor 7 and the liquid level detection sensor 8; the digital quantity output module is respectively connected with the blower fan 5, the electromagnetic valve 11, the water pump motor 10 and the power supply input end of the heating device; the control panel is used for setting threshold parameters of the liquid level value, the temperature value and the humidity value, and is convenient for workers to flexibly and effectively manage the power distribution cabinet.
In this embodiment, in order to prevent rainwater from permeating into the cabinet body 1 from the crack between the cabinet body 1 and the cabinet door 2 under the rainstorm condition, and damage the power equipment in the cabinet body 1, the liquid level detection sensor 8 is used for detecting and acquiring the liquid level value in the power distribution cabinet, and the liquid level value is transmitted to the controller 3 through the signal detection module, and the control chip in the controller 3 compares the liquid level value with the preset liquid level threshold value. If the liquid level value exceeds the liquid level value threshold value, a control chip in the controller 3 firstly controls the electromagnetic valve 11 to actuate through the digital quantity output module, so that the water pump motor 10 is communicated with the outside through the pipeline 9, and then controls the water pump motor 10 to actuate through the digital quantity output module, so that accumulated water in the power distribution cabinet is discharged until the liquid level value is lower than the preset liquid level value threshold value. In order to avoid the damage of accumulated water in the power distribution cabinet to circuit elements, the liquid level threshold value can be set to be 0 through the control panel, so that the power distribution cabinet is always in an accumulated water-free state.
The humidity detection sensor 7 detects and acquires a humidity value of air in the power distribution cabinet, the humidity value is transmitted to the controller 3 through the signal detection module, and a control chip in the controller 3 compares the humidity value with a preset humidity value threshold value. If this humidity value exceeds the humidity value threshold, control chip in the controller 3 passes through digital output module control blower fan 5 and actuates to form the air convection between heat dissipation air inlet and heat dissipation gas vent, with the humid air in the switch board outside the heat dissipation gas vent discharge switch board.
The temperature detection sensor 6 detects and obtains the air temperature value in the power distribution cabinet, the temperature value is transmitted to the controller 3 through the signal detection module, and the control chip in the controller 3 compares the temperature value with a preset temperature value threshold value. If this temperature value is less than the temperature value threshold value, control chip in the controller 3 actuates simultaneously through digital output module control air-blast fan 5 and heating device, conducts the heat that heating device produced to the interior air of switch board fast through air-blast fan 5 to maintain the temperature in the switch board, discharge the humid air in the switch board simultaneously.
In this embodiment, the controller 3 detects and acquires the liquid level value in the power distribution cabinet by using the humidity detection sensor 7 arranged at the bottom in the cabinet body 1, compares the liquid level value with a preset liquid level threshold value to judge whether water is accumulated in the power distribution cabinet, and if water is accumulated by judgment, the electromagnetic valve 11 and the water pump motor 10 in the controller 3 automatically control the drainage device 4 to act in sequence, so that the water in the power distribution cabinet is drained. The electromagnetic valve 11 is usually used for blocking a communication channel between the water pump motor 10 and the outside, so as to prevent foreign matters from entering the pipeline 9 and hindering the normal operation of the water pump motor 10. On the basis, the controller 3 also utilizes the temperature detection sensor 6 and the humidity detection sensor 7 to detect and obtain the air temperature value and the air humidity value in the power distribution cabinet, and compares the temperature value and the humidity value with the preset threshold parameters of the temperature value and the humidity value respectively to judge whether the humidity and the temperature in the power distribution cabinet exceed the standard or not, if the humidity and the temperature exceed the standard through judgment, the controller 3 automatically controls the action of the air blowing fan 5 and the heating device to maintain the temperature in the power distribution cabinet, simultaneously discharges the humid air in the power distribution cabinet, and blows off the dust accumulated in the electric control equipment. The power distribution cabinet has high automation degree, and is favorable for ensuring the normal operation of the electric control equipment in the power distribution cabinet.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An outdoor rain-proof low-voltage power distribution cabinet is characterized by comprising a controller (3) and a cabinet body (1), wherein a liquid level detection sensor (8) and a drainage device (4) which are respectively and electrically connected with the controller (3) are arranged in the cabinet body (1), the liquid level detection sensor (8) is arranged at the bottom of the cabinet body (1), the water inlet end of the drainage device (4) is arranged at the bottom of the cabinet body (1), and the water outlet end of the drainage device (4) is communicated with the outside of the cabinet body (1);
and the controller (3) controls the drainage device (4) according to the liquid level value in the power distribution cabinet acquired by the liquid level detection sensor (8).
2. The outdoor rainstorm prevention low-voltage power distribution cabinet according to claim 1, wherein the drainage device (4) comprises a water pump motor (10) electrically connected with the controller (3), and pipelines (9) communicated with two ends of the water pump motor (10), an opening of the pipeline (9) communicated with a water inlet end of the water pump motor (10) is arranged at the bottom of the cabinet body (1), and an opening of the pipeline (9) communicated with a water outlet end of the water pump motor (10) is communicated with the outside of the cabinet body (1).
3. A storm proof outdoor low voltage distribution cabinet according to claim 2, characterized in that the opening of the pipe (9) connected to the water outlet end of the water pump motor (10) is arranged at the side of the cabinet body (1) far from the bottom thereof.
4. The outdoor storm proof low voltage power distribution cabinet according to claim 2, characterized in that the pipeline (9) connected to the water outlet end of the water pump motor (10) is provided with an electromagnetic valve (11) electrically connected to the controller (3);
the controller (3) further controls the electromagnetic valve (11) according to the liquid level value in the power distribution cabinet acquired by the liquid level detection sensor (8).
5. The rainstorm prevention outdoor low-voltage power distribution cabinet according to claim 1, wherein a humidity detection sensor (7) electrically connected with the controller (3) is further arranged in the cabinet body (1), a heat dissipation air outlet and a heat dissipation air inlet are oppositely arranged on the side surface of the cabinet body (1), and a blower fan (5) electrically connected with the controller (3) is arranged in the heat dissipation air inlet;
and the controller (3) controls the blower fan (5) according to the air humidity in the power distribution cabinet acquired by the humidity detection sensor (7).
6. The outdoor rainstorm prevention low-voltage power distribution cabinet according to claim 5, wherein a temperature detection sensor (6) electrically connected with the controller (3) is further arranged in the cabinet body (1), and a heating device electrically connected with the controller (3) is arranged at the air outlet end of the air blowing fan (5);
and the controller (3) controls the heating device or/and the air blowing fan (5) according to the air temperature in the power distribution cabinet acquired by the temperature detection sensor (6).
7. The outdoor storm-proof low-voltage power distribution cabinet according to claim 6, wherein the controller (3) comprises a control chip, and a signal detection module and a digital quantity output module which are respectively and electrically connected with the control chip;
the controller (3) is electrically connected with the liquid level detection sensor (8), the humidity detection sensor (7) and the temperature detection sensor (6) through the signal detection module respectively, and is electrically connected with the drainage device (4), the air blowing fan (5) and the heating device through the digital quantity output module respectively.
8. The rainstorm proof outdoor low voltage power distribution cabinet according to claim 7, characterized in that the controller (3) further comprises a control panel electrically connected with the control chip.
9. The outdoor storm proof low voltage distribution cabinet according to any one of claims 1 to 8, characterized by further comprising a cabinet door (2) hinged to the cabinet body (1), wherein a sealing plate is arranged at the bottom of one side of the cabinet body (1) facing the cabinet door (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248911.5A CN110829218A (en) | 2019-12-09 | 2019-12-09 | Outdoor low-voltage power distribution cabinet of anti-riot rain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248911.5A CN110829218A (en) | 2019-12-09 | 2019-12-09 | Outdoor low-voltage power distribution cabinet of anti-riot rain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110829218A true CN110829218A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911248911.5A Pending CN110829218A (en) | 2019-12-09 | 2019-12-09 | Outdoor low-voltage power distribution cabinet of anti-riot rain |
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| Country | Link |
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| CN (1) | CN110829218A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379708A (en) * | 2020-10-20 | 2021-02-19 | 国网山东省电力公司烟台供电公司 | Distribution automation terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394601A (en) * | 2017-07-21 | 2017-11-24 | 合肥亨通电力器材有限公司 | A kind of ring main unit rainwater-proof protection devices of SFR6 12 |
| CN108933404A (en) * | 2018-07-24 | 2018-12-04 | 江苏嘉泰电气有限公司 | A kind of energy-saving landscape type imbededd case change |
| CN209434665U (en) * | 2018-11-16 | 2019-09-24 | 安徽恒信通智能科技有限公司 | A kind of waterproof electric power box |
| CN209472884U (en) * | 2018-11-15 | 2019-10-08 | 四川森宝电气有限公司 | One kind is from drainage type electrical control cabinet |
| CN209730594U (en) * | 2019-05-06 | 2019-12-03 | 新疆笃信电控有限公司 | A kind of Multifunctional low voltage distribution box |
-
2019
- 2019-12-09 CN CN201911248911.5A patent/CN110829218A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394601A (en) * | 2017-07-21 | 2017-11-24 | 合肥亨通电力器材有限公司 | A kind of ring main unit rainwater-proof protection devices of SFR6 12 |
| CN108933404A (en) * | 2018-07-24 | 2018-12-04 | 江苏嘉泰电气有限公司 | A kind of energy-saving landscape type imbededd case change |
| CN209472884U (en) * | 2018-11-15 | 2019-10-08 | 四川森宝电气有限公司 | One kind is from drainage type electrical control cabinet |
| CN209434665U (en) * | 2018-11-16 | 2019-09-24 | 安徽恒信通智能科技有限公司 | A kind of waterproof electric power box |
| CN209730594U (en) * | 2019-05-06 | 2019-12-03 | 新疆笃信电控有限公司 | A kind of Multifunctional low voltage distribution box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379708A (en) * | 2020-10-20 | 2021-02-19 | 国网山东省电力公司烟台供电公司 | Distribution automation terminal |
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Application publication date: 20200221 |